netdev - [PATCH net-next 09/10] net/mlx4: Change number of max MSIXs from 64 to 1024

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Message-Id: <1480261877-19720-10-git-send-email-tariqt@mellanox.com>
Date:   Sun, 27 Nov 2016 17:51:16 +0200
From:   Tariq Toukan <tariqt@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, Eran Ben Elisha <eranbe@...lanox.com>,
        Matan Barak <matanb@...lanox.com>,
        Moshe Shemesh <moshe@...lanox.com>,
        Tariq Toukan <tariqt@...lanox.com>
Subject: [PATCH net-next 09/10] net/mlx4: Change number of max MSIXs from 64 to 1024

From: Matan Barak <matanb@...lanox.com>

Increase the number of max MSIXs in order to achieve
better performance on machines with high number of CPUs.

Fixes: 0b7ca5a928e2 ("mlx4: Changing interrupt scheme")
Signed-off-by: Matan Barak <matanb@...lanox.com>
Signed-off-by: Moshe Shemesh <moshe@...lanox.com>
Signed-off-by: Tariq Toukan <tariqt@...lanox.com>
---
 include/linux/mlx4/device.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 1dcd6ac3b1f3..44863e3c0981 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -47,7 +47,7 @@
 #define DEFAULT_UAR_PAGE_SHIFT  12
 
 #define MAX_MSIX_P_PORT		17
-#define MAX_MSIX		64
+#define MAX_MSIX		1024
 #define MIN_MSIX_P_PORT		5
 #define MLX4_IS_LEGACY_EQ_MODE(dev_cap) ((dev_cap).num_comp_vectors < \
 					 (dev_cap).num_ports * MIN_MSIX_P_PORT)
-- 
1.8.3.1